[AWS] Extract tls_private_key resource from hashicorp/tls provider into an insecure module

[roger2hk]

Towards #109, #219.

This PR reorganized the resources. terragrunt apply will regenerate the public and private keys and store them in the same secret resource IDs.

[AlCutter]

I'm far from being a terraform expert, but am I right in thinking that this PR doesn't change anything about what's stored in the state, it's mainly just about making it clear that it's currently doing things which you wouldn't want to do in prod?

[roger2hk]

I'm far from being a terraform expert, but am I right in thinking that this PR doesn't change anything about what's stored in the state, it's mainly just about making it clear that it's currently doing things which you wouldn't want to do in prod?

This PR reorganized the resources. terragrunt apply will regenerate the public and private keys and store them in the same secret resource IDs.

This is fine for AWS. For GCP, the staging log arche2025h1 would be affected by the auto deployment. A manual deployment is required. It's probably a good chance to run the Manual Deployment playbook.